Question

(2/7÷5/3)÷8/19= ?...

Answer 1

$\frac{ \frac{ \frac{2}{7} }{ \frac{5}{3} } }{ \frac{8}{19} } = \frac{2}{7} \times \frac{3}{5} \times \frac{19}{8} = \frac{2 \times 3 \times 19}{7 \times 5 \times 8} = \frac{114}{280} = \frac{57}{140}$